<Emphasis Type="Italic">Kazachstania wufongensis</Emphasis> sp. nov., an ascosporogenous yeast isolated from soil in Taiwan |
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Authors: | Ching-Fu Lee Cheng-Hsu Yao Yi-Ru Liu Shuh-Sen Young Ku-Shang Chang |
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Institution: | (1) Department of Applied Science, National Hsinchu University of Education, 521 Nanda Road, Hsinchu, 300, Taiwan;(2) Department of Food Science, Yuanpei University, 306 Yuanpei Street, Hsinchu, 300, Taiwan |
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Abstract: | A new yeast species, Kazachstania wufongensis, is proposed in this paper based on six strains isolated from soil in Taiwan. The species may produce one to four ellipsoidal
ascospores in each ascus, directly transformed from diploid cells. Genus assignment and distinction of the species from other
recognized species of Kazachstania is based on morphological and physiological characteristics, and on phylogenetic analysis of nucleotide sequences of the
D1/D2 domains of the large subunit (LSU) rRNA gene. Sequence analysis of the D1/D2 domains of the LSU rRNA gene reveals that
K. wufongensis is a member of the Kazachstania exigua complex, and its phylogenetically closest relatives are K. exigua, K. barnettii, K. bulderi, and K. turicensis. The species can be further differentiated from the other phylogenetically related species based on internal transcribed
spacer sequence and electrophoretic karyotype. Therefore, the new species Kazachstania wufongensis sp. nov. is proposed. The type strain of this new species, which was isolated from forest soil in Wufong, Hsinchu, Taiwan,
is FN21S03T (=CBS 10886T = BCRC 23138T). |
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Keywords: | Yeast New species Systematics Kazachstania wufongensis |
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